131110001232 has 80 divisors (see below), whose sum is σ = 390638033280. Its totient is φ = 37116320256.

The previous prime is 131110001137. The next prime is 131110001273. The reversal of 131110001232 is 232100011131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1753323 + ... + 1826570.

It is an arithmetic number, because the mean of its divisors is an integer number (4882975416).

Almost surely, 2^131110001232 is an apocalyptic number.

131110001232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131110001232 is an abundant number, since it is smaller than the sum of its proper divisors (259528032048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131110001232 is a wasteful number, since it uses less digits than its factorization.

131110001232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3580020 (or 3580014 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 131110001232 its reverse (232100011131), we get a palindrome (363210012363).

The spelling of 131110001232 in words is "one hundred thirty-one billion, one hundred ten million, one thousand, two hundred thirty-two".